*,html,body{
	margin:0;
	padding:0;
}
* { margin: 0; padding: 0; color: #fff; font-size: 20px; } 
.f_l{
}
.clearfix:before, .clearfix:after {   
	content: "";   
	display: table;   
}   
.clearfix:after {   
	clear: both;   
}   
.clearfix {   
	*zoom: 1; /*IE/7/6*/  /*兼容IE6下的写法*/  
}  


